Trace number 1884782

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
bsolo 3.1SAT 0.224965 0.225539

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/parity-games/
instance_n4_i4_pp_ci_ce.opb
MD5SUM138a47d110b008130c16c0c64adc572a
Bench CategoryPURE-SAT (instances containing only clauses)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.131979
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1572
Total number of constraints9175
Number of constraints which are clauses9175
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint12
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 13
Number of bits of the biggest sum of numbers4
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1884782-1245260367.opb
0.00/0.00	c File size is 305521 bytes.
0.02/0.04	c Highest Coefficient sum: 13
0.02/0.04	c Parsing was ok!!
0.02/0.04	c Total parsing time: 0.042 s
0.02/0.04	c Var: 1572 Constr: 9175 9175/0/0 Lit: 28832 Watch. Lit: 18350
0.02/0.04	c Obj. Vars: 0 (0 % of total variables)
0.09/0.13	c Pre-processing Time: 0.137 s
0.09/0.13	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.13	c        0   1064     5511    17053    3    11022    1836      0      0 0.14
0.09/0.13	c Switching off lower bounding mode.
0.19/0.22	c      100   1064     5694    18351    3    11388    2020    183    617 0.16
0.19/0.22	c      251   1064     5952    22968    3    11904    2223    441   1267 0.20
0.19/0.22	c Backtracks by Clause: 351
0.19/0.22	c Backtracks by PB constraint: 0
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0.19/0.22	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.22	c    2      351    199     1296     6136    26926    625   1573 0.22
0.19/0.22	s SATISFIABLE
0.19/0.22	c Total time: 0.223 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1884782-1245260367/watcher-1884782-1245260367 -o /tmp/evaluation-result-1884782-1245260367/solver-1884782-1245260367 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1884782-1245260367.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15227
/proc/meminfo: memFree=1801440/2055920 swapFree=4191820/4192956
[pid=15227] ppid=15225 vsize=11008 CPUtime=0
/proc/15227/stat : 15227 (bsolo) R 15225 15227 14853 0 -1 4194304 250 0 0 0 0 0 0 0 18 0 1 0 182526061 11272192 234 1992294400 134512640 137136520 4294956256 18446744073709551615 134517511 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15227/statm: 2752 235 177 640 0 2033 0

[startup+0.02758 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15227
/proc/meminfo: memFree=1801440/2055920 swapFree=4191820/4192956
[pid=15227] ppid=15225 vsize=11560 CPUtime=0.02
/proc/15227/stat : 15227 (bsolo) R 15225 15227 14853 0 -1 4194304 439 0 0 0 2 0 0 0 18 0 1 0 182526061 11837440 423 1992294400 134512640 137136520 4294956256 18446744073709551615 134517643 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15227/statm: 2890 423 217 640 0 2171 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 11560

[startup+0.101584 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15227
/proc/meminfo: memFree=1801440/2055920 swapFree=4191820/4192956
[pid=15227] ppid=15225 vsize=12344 CPUtime=0.09
/proc/15227/stat : 15227 (bsolo) R 15225 15227 14853 0 -1 4194304 762 0 0 0 9 0 0 0 18 0 1 0 182526061 12640256 671 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15227/statm: 3086 671 193 640 0 2442 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12344

Solver just ended. Dumping a history of the last processes samples

[startup+0.201594 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15227
/proc/meminfo: memFree=1801440/2055920 swapFree=4191820/4192956
[pid=15227] ppid=15225 vsize=12344 CPUtime=0.19
/proc/15227/stat : 15227 (bsolo) R 15225 15227 14853 0 -1 4194304 767 0 0 0 18 1 0 0 18 0 1 0 182526061 12640256 676 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15227/statm: 3086 676 198 640 0 2442 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 12344

Child status: 0
Real time (s): 0.225539
CPU time (s): 0.224965
CPU user time (s): 0.212967
CPU system time (s): 0.011998
CPU usage (%): 99.7455
Max. virtual memory (cumulated for all children) (KiB): 12344

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.212967
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 769
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 0

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node68 at 2009-06-17 19:39:27
IDJOB=1884782
IDBENCH=71991
IDSOLVER=699
FILE ID=node68/1884782-1245260367
PBS_JOBID= 9372393
Free space on /tmp= 66472 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/parity-games/instance_n4_i4_pp_ci_ce.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1884782-1245260367/watcher-1884782-1245260367 -o /tmp/evaluation-result-1884782-1245260367/solver-1884782-1245260367 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1884782-1245260367.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 138a47d110b008130c16c0c64adc572a
RANDOM SEED=849495522

node68.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.238
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.238
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1801856 kB
Buffers:         20544 kB
Cached:         155704 kB
SwapCached:        416 kB
Active:          42148 kB
Inactive:       149932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1801856 kB
SwapTotal:     4192956 kB
SwapFree:      4191820 kB
Dirty:            4388 kB
Writeback:           0 kB
Mapped:          24484 kB
Slab:            47596 kB
Committed_AS:   107284 kB
PageTables:       1564 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1884782-1245260367.opb

Free space on /tmp at the end= 66468 MiB
End job on node68 at 2009-06-17 19:39:28